US2543793A - Three-dimensional intercommunicating system - Google Patents
Three-dimensional intercommunicating system Download PDFInfo
- Publication number
- US2543793A US2543793A US710316A US71031646A US2543793A US 2543793 A US2543793 A US 2543793A US 710316 A US710316 A US 710316A US 71031646 A US71031646 A US 71031646A US 2543793 A US2543793 A US 2543793A
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- United States
- Prior art keywords
- march
- filed nov
- sheet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/17—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
- G02F1/172—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Description
March 6, 1951 A. M. MARKS 2,543,793
THREE-DnnansxormJ Imcomumcumc SYSTEM Filed Nov. 16, 1946 22 Sheets-Sheet 1 O o Q u w y :g L I//Y/ f f/ OQ u) N| QI ,A \1
March 6, 1951 A- M YMARKS `2,543,793
Tl'lREE-DIENSIONL INTERCOWUNICATING SYSTEM Filed Nov. 16, 1946 22 Sheets-Sheet 2 36,7 ATTORNEYS,
March 6, 1951 A. M. MARKS 2,543,793
THRE-E-DIKENSIONAL INTERCOMMUNICATING SYSTEI Filed NOVV. 15, 1946 22 ShO'CS-Shee?l 3 x95 ATTORNEYS,
22 ShePcs-SheelI 4 March 6, 1951 Filed Nov. 16, 194e March 6, 1951 VA. MMARKS TrmEE-DmENsIoNAL INTERcomauNIcATING SYSTEM Filed Nov. 16, 194e 22 Sheets-Sheet 6 doi www hr2 NSN. N. S\ Il IIJ m P @ON m m WO- :E l v Il. W.. MSN u 1| NGN m Si EN Il QH. m QOH m\ @E mi: @I F ATTORNEYS,
March 6, 1951 A. M. MARKS 2,543,793
THREE-DIIENSIONAL INTERCOIMUNICATING SYSTEM Filed Nov. 16, 1946v 22 Sheets-Sheet 7 I Vofaf e af 135 716 5 aruab 105 13@ 150 152? 1Q E z/as 1Q; la@
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ATTORNEY5,
l A. M. MARKS 2,543 II'HRi-:E-DIMENSIONAL INTERCOMMUNICATING SYSTEM ZZIShOe'tS-Sheet 8 March 6, 1951 Filed Nov. 16, 191:6
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. INVENTOR ./TLMMCU ATTORNEYS,
March 6, 1951 A. M. MARKS 2,543,793
mms-DIMENsIoNAL INTERcomauNIcA'rINc sysma Filed Nov. 1e, 194e 22 Sheets-Sheet 9 (1;, :Vig:-
- INVENTOR ATTORNEYS,
March 6, 1951 A. M .MARKS THREE-DIMENSIONAL INTERCOMMUNICATING SYSTEM 22 Sheets-Sheet lO Filed Nov. 16, 1946 March 6, 1951 A. M. MARKS TWEE-DIMENSIONAL INTERCOMMUNICATING SYSTEM Filed Nov. 16, 1946 22 Sheets-Sheet ll 17/'ofcmce N f-J" ATTO Q N E YS,
March 6 A. M. MARKS THREE-DINENsIONAL INTERCOMMUNICATING SYSTEM Filed Nov. 16, 1946 22 Sheets-Sheet 12 22o 23e @as *E59 ,Q
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; d INVENTOR Y ZVUIMMCUJS ATTORNEYS,
E65 Hlsj March 6, 19.51 A, M MARKS 2,543,793
THREE-DIMENSIONAL INTERCOIMUNICATING SYSTEM Filed Nov. 16, 194s- 22 shuts-she@ 1s ATTORNEYS,
March 6, 1951 A. M.VMARKS umm-DIMENSIONAL INTERCOMMUNICATING.- SYSTEM Filed Nov. 1S, Y1946 22 Sheets- Sheet 14 INVENTOR /'ULMJVQIS BY ATTOR NEYS March 6,l 1951 A. M. MARKS msammnszomr. mmcomaumcmm; sysm Filed NOV. 16, 1946 22 Sheets-Sheet l5 ATTORNEY-S,
March 6, 1951 A. M. MARKS mE-DIMENsIoNAL INTERCOMMUNICATING SYSTEM Filed NOV. 16
` 22 Sheets-Sheet 16 @mw Gm. www @uw @uw March 6, 1951 A. M. MARKS THREE;DIMENSION/ud INTERCOMMUNICATING SYSTEM 22 Sheets-Sheet 17 Filed Nov. 16, 1946 INVENTOR A H/UIMVGJJL BY f? @L/ ATTORNEYS 22 Sheets-Sheet 18 Filed Nov. 16, 1946 lNvENToR i ILP CLr/ BY l ATTORNEYS,
A. M. MARKS 2,543,793
THREE-DIMENSIONAL INTERCOMMUNICATING SYSTEM 22 Sheets-Sheet 19 w O S 1 Il 1 I wu n a f Mk m 9 E? o 5 2 Q w1. n Q @Z Q f L A 1 :el b f F @w fw WY v 1, L B Q C j 7. VWM r- {Ik} l-- L Vllllli- 5 vom 2 e O x I l i 6 4. A@ e .l ss .www m J Amm d e www 9 Q n m6 v P e 6 .48# P o 5 w m o F# T/ 5 w L@ m ma c H .6 I2 N March 6, 1951 Filed Nov. 16, 1946 March 6, 1951 A. M. MARKS THREE-DIMENSIONAL INTERCOMMUNICATING SYSTEM 22 Sheets-Sheet 2O Filed Nov. 16, 1946 A INVENTOR/ .HZi/TLNMCUTLS ATTO R N EYS,
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US710316A US2543793A (en) | 1946-11-16 | 1946-11-16 | Three-dimensional intercommunicating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US710316A US2543793A (en) | 1946-11-16 | 1946-11-16 | Three-dimensional intercommunicating system |
Publications (1)
Publication Number | Publication Date |
---|---|
US2543793A true US2543793A (en) | 1951-03-06 |
Family
ID=24853516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US710316A Expired - Lifetime US2543793A (en) | 1946-11-16 | 1946-11-16 | Three-dimensional intercommunicating system |
Country Status (1)
Country | Link |
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US (1) | US2543793A (en) |
Cited By (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604607A (en) * | 1945-11-28 | 1952-07-22 | Fred S Howell | Three-dimensional indicator tube and circuit therefor |
US2621247A (en) * | 1950-01-21 | 1952-12-09 | Wright Arthur | Stereoscopic television |
US2623941A (en) * | 1950-06-23 | 1952-12-30 | Zenith Radio Corp | Subscription television system |
US2645976A (en) * | 1949-08-05 | 1953-07-21 | Rca Corp | Subtractive color television |
US2749480A (en) * | 1952-11-24 | 1956-06-05 | Ruderfer Martin | Apparatus for producing threedimensional visual patterns |
US2793148A (en) * | 1953-03-17 | 1957-05-21 | Polaroid Corp | Optical products |
US2858480A (en) * | 1955-05-02 | 1958-10-28 | Shadowitz Albert | Self-luminous screen, television receiving system and display system |
US2877457A (en) * | 1952-04-22 | 1959-03-10 | Harry S Nichols | Method and apparatus for presenting three-dimensional representation of voltages |
US2887010A (en) * | 1957-09-09 | 1959-05-19 | Ruettiger Justin | Neutral density filters |
US2906169A (en) * | 1953-09-04 | 1959-09-29 | Jacob A Saffir | Projection screen |
US2913584A (en) * | 1955-04-18 | 1959-11-17 | Leo T Ratigan | Microspectrographic system |
US2955231A (en) * | 1957-10-01 | 1960-10-04 | Kaiser Ind Corp | Electronic selector device |
US2967972A (en) * | 1957-04-02 | 1961-01-10 | Philips Corp | Electron display device |
US2991697A (en) * | 1956-04-10 | 1961-07-11 | Arrow Metal Products Corp Inc | Light-controlling window structure |
US3005196A (en) * | 1956-03-27 | 1961-10-17 | Kaiser Ind Corp | Three dimensional radar indicator |
US3257903A (en) * | 1960-11-21 | 1966-06-28 | Alvin M Marks | Electrically responsive light controlling devices employing suspended dipole particles and shear forces |
US3322482A (en) * | 1965-04-12 | 1967-05-30 | James V Harmon | Panel for controlling light transmission by the selective orientation of free particles |
US3322485A (en) * | 1962-11-09 | 1967-05-30 | Rca Corp | Electro-optical elements utilizing an organic nematic compound |
US3405213A (en) * | 1956-01-30 | 1968-10-08 | Munz Otto John | Method for three-dimensional imprinting a thermoplastic object |
US3512876A (en) * | 1964-06-29 | 1970-05-19 | Alvin M Marks | Dipolar electro-optic structures |
US3519330A (en) * | 1967-09-14 | 1970-07-07 | Rca Corp | Turnoff method and circuit for liquid crystal display element |
US3527525A (en) * | 1966-06-08 | 1970-09-08 | Alvin M Marks | Forced closure dipolar electro-optic shutter and method |
US3736047A (en) * | 1971-08-13 | 1973-05-29 | Optical Coating Laboratory Inc | Liquid crystal display device with internal anti-reflection casting |
US3841732A (en) * | 1970-03-04 | 1974-10-15 | A Marks | Dipolar electro-optic structures and method |
US3848247A (en) * | 1973-02-07 | 1974-11-12 | North Hills Electronics Inc | Multi-dimensional liquid crystal assembly addressing system |
US3989355A (en) * | 1975-01-21 | 1976-11-02 | Xerox Corporation | Electro-optic display system |
US4041476A (en) * | 1971-07-23 | 1977-08-09 | Wyn Kelly Swainson | Method, medium and apparatus for producing three-dimensional figure product |
US4134104A (en) * | 1976-08-25 | 1979-01-09 | Ernest Karras | Device for displaying data in three dimensions |
US4134644A (en) * | 1977-01-10 | 1979-01-16 | Marks Alvin M | 3D Color pictures with multichrome filters |
US4238840A (en) * | 1967-07-12 | 1980-12-09 | Formigraphic Engine Corporation | Method, medium and apparatus for producing three dimensional figure product |
US4294516A (en) * | 1978-09-11 | 1981-10-13 | Brooks Philip A | Moving picture apparatus |
US4670744A (en) * | 1985-03-14 | 1987-06-02 | Tektronix, Inc. | Light reflecting three-dimensional display system |
US5258833A (en) * | 1991-04-08 | 1993-11-02 | Schenk Alan G | Sterescopic television/video system |
US20040183972A1 (en) * | 2001-04-20 | 2004-09-23 | Bell Gareth Paul | Optical retarder |
US20050062410A1 (en) * | 2001-10-11 | 2005-03-24 | Bell Gareth Paul | Visual display unit illumination |
US6906762B1 (en) | 1998-02-20 | 2005-06-14 | Deep Video Imaging Limited | Multi-layer display and a method for displaying images on such a display |
US7006056B1 (en) * | 2000-01-06 | 2006-02-28 | International Business Machines Corporation | Three-dimensional display apparatus |
US20060103951A1 (en) * | 2002-03-17 | 2006-05-18 | Bell Gareth P | Method to control point spread function of an image |
US20060290594A1 (en) * | 2002-07-15 | 2006-12-28 | Engel Gabriel D | Multilayer video screen |
US20080152842A1 (en) * | 2000-11-17 | 2008-06-26 | Pure Depth Limited | Altering surfaces of display screens |
WO2008134886A1 (en) * | 2007-05-04 | 2008-11-13 | Lmi Technologies Limited | Method and apparatus for livestock assessment using machine vision technology |
US20090051623A1 (en) * | 2007-08-22 | 2009-02-26 | Paul Gareth P | Method and system for determining a position for an interstital diffuser for use in a multi-layer display |
US8146277B2 (en) | 2002-09-20 | 2012-04-03 | Puredepth Limited | Multi-view display |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1830637A (en) * | 1931-11-03 | Seitectob filter | ||
GB373196A (en) * | 1931-02-18 | 1932-05-18 | John Logie Baird | Improvements in or relating to television systems and the like |
GB419432A (en) * | 1933-02-06 | 1934-11-12 | Ferdinand Bredael | Process and apparatus for the reproduction of graphical illustrations and plastic articles by cutting, engraving, profiling, photosculpture and the like |
US2066715A (en) * | 1932-08-04 | 1937-01-05 | Internat Television Radio Corp | Television apparatus |
US2107464A (en) * | 1931-09-26 | 1938-02-08 | Rca Corp | Television system |
US2288402A (en) * | 1941-01-29 | 1942-06-30 | Rca Corp | Television transmitting tube |
US2330225A (en) * | 1940-09-23 | 1943-09-28 | Paul W Lang | Phonovision system |
US2361390A (en) * | 1943-11-01 | 1944-10-31 | Sperry Gyroscope Co Inc | Stereo indicator |
US2388170A (en) * | 1943-04-15 | 1945-10-30 | Mccollum Thelma | Stereoscopic television apparatus |
GB573008A (en) * | 1943-08-26 | 1945-11-01 | John Logie Baird | Improvements in television |
US2412669A (en) * | 1942-06-19 | 1946-12-17 | Rca Corp | Pulse-echo position indicator |
US2417446A (en) * | 1941-08-01 | 1947-03-18 | Bell Telephone Labor Inc | Stereotelevision and television range finding |
-
1946
- 1946-11-16 US US710316A patent/US2543793A/en not_active Expired - Lifetime
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1830637A (en) * | 1931-11-03 | Seitectob filter | ||
GB373196A (en) * | 1931-02-18 | 1932-05-18 | John Logie Baird | Improvements in or relating to television systems and the like |
FR733118A (en) * | 1931-02-18 | 1932-09-30 | Robert Lyon Et A T Stoyanowsky | Improvements to television and similar systems |
US2107464A (en) * | 1931-09-26 | 1938-02-08 | Rca Corp | Television system |
US2066715A (en) * | 1932-08-04 | 1937-01-05 | Internat Television Radio Corp | Television apparatus |
GB419432A (en) * | 1933-02-06 | 1934-11-12 | Ferdinand Bredael | Process and apparatus for the reproduction of graphical illustrations and plastic articles by cutting, engraving, profiling, photosculpture and the like |
US2330225A (en) * | 1940-09-23 | 1943-09-28 | Paul W Lang | Phonovision system |
US2288402A (en) * | 1941-01-29 | 1942-06-30 | Rca Corp | Television transmitting tube |
US2417446A (en) * | 1941-08-01 | 1947-03-18 | Bell Telephone Labor Inc | Stereotelevision and television range finding |
US2412669A (en) * | 1942-06-19 | 1946-12-17 | Rca Corp | Pulse-echo position indicator |
US2388170A (en) * | 1943-04-15 | 1945-10-30 | Mccollum Thelma | Stereoscopic television apparatus |
GB573008A (en) * | 1943-08-26 | 1945-11-01 | John Logie Baird | Improvements in television |
US2361390A (en) * | 1943-11-01 | 1944-10-31 | Sperry Gyroscope Co Inc | Stereo indicator |
Cited By (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2604607A (en) * | 1945-11-28 | 1952-07-22 | Fred S Howell | Three-dimensional indicator tube and circuit therefor |
US2645976A (en) * | 1949-08-05 | 1953-07-21 | Rca Corp | Subtractive color television |
US2621247A (en) * | 1950-01-21 | 1952-12-09 | Wright Arthur | Stereoscopic television |
US2623941A (en) * | 1950-06-23 | 1952-12-30 | Zenith Radio Corp | Subscription television system |
US2877457A (en) * | 1952-04-22 | 1959-03-10 | Harry S Nichols | Method and apparatus for presenting three-dimensional representation of voltages |
US2749480A (en) * | 1952-11-24 | 1956-06-05 | Ruderfer Martin | Apparatus for producing threedimensional visual patterns |
US2793148A (en) * | 1953-03-17 | 1957-05-21 | Polaroid Corp | Optical products |
US2906169A (en) * | 1953-09-04 | 1959-09-29 | Jacob A Saffir | Projection screen |
US2913584A (en) * | 1955-04-18 | 1959-11-17 | Leo T Ratigan | Microspectrographic system |
US2858480A (en) * | 1955-05-02 | 1958-10-28 | Shadowitz Albert | Self-luminous screen, television receiving system and display system |
US3405213A (en) * | 1956-01-30 | 1968-10-08 | Munz Otto John | Method for three-dimensional imprinting a thermoplastic object |
US3005196A (en) * | 1956-03-27 | 1961-10-17 | Kaiser Ind Corp | Three dimensional radar indicator |
US2991697A (en) * | 1956-04-10 | 1961-07-11 | Arrow Metal Products Corp Inc | Light-controlling window structure |
US2967972A (en) * | 1957-04-02 | 1961-01-10 | Philips Corp | Electron display device |
US2887010A (en) * | 1957-09-09 | 1959-05-19 | Ruettiger Justin | Neutral density filters |
US2955231A (en) * | 1957-10-01 | 1960-10-04 | Kaiser Ind Corp | Electronic selector device |
US3257903A (en) * | 1960-11-21 | 1966-06-28 | Alvin M Marks | Electrically responsive light controlling devices employing suspended dipole particles and shear forces |
US3322485A (en) * | 1962-11-09 | 1967-05-30 | Rca Corp | Electro-optical elements utilizing an organic nematic compound |
US3512876A (en) * | 1964-06-29 | 1970-05-19 | Alvin M Marks | Dipolar electro-optic structures |
US3322482A (en) * | 1965-04-12 | 1967-05-30 | James V Harmon | Panel for controlling light transmission by the selective orientation of free particles |
US3527525A (en) * | 1966-06-08 | 1970-09-08 | Alvin M Marks | Forced closure dipolar electro-optic shutter and method |
US4238840A (en) * | 1967-07-12 | 1980-12-09 | Formigraphic Engine Corporation | Method, medium and apparatus for producing three dimensional figure product |
US3519330A (en) * | 1967-09-14 | 1970-07-07 | Rca Corp | Turnoff method and circuit for liquid crystal display element |
US3841732A (en) * | 1970-03-04 | 1974-10-15 | A Marks | Dipolar electro-optic structures and method |
US4041476A (en) * | 1971-07-23 | 1977-08-09 | Wyn Kelly Swainson | Method, medium and apparatus for producing three-dimensional figure product |
US3736047A (en) * | 1971-08-13 | 1973-05-29 | Optical Coating Laboratory Inc | Liquid crystal display device with internal anti-reflection casting |
US3848247A (en) * | 1973-02-07 | 1974-11-12 | North Hills Electronics Inc | Multi-dimensional liquid crystal assembly addressing system |
US3989355A (en) * | 1975-01-21 | 1976-11-02 | Xerox Corporation | Electro-optic display system |
US4134104A (en) * | 1976-08-25 | 1979-01-09 | Ernest Karras | Device for displaying data in three dimensions |
US4134644A (en) * | 1977-01-10 | 1979-01-16 | Marks Alvin M | 3D Color pictures with multichrome filters |
US4294516A (en) * | 1978-09-11 | 1981-10-13 | Brooks Philip A | Moving picture apparatus |
US4670744A (en) * | 1985-03-14 | 1987-06-02 | Tektronix, Inc. | Light reflecting three-dimensional display system |
US5258833A (en) * | 1991-04-08 | 1993-11-02 | Schenk Alan G | Sterescopic television/video system |
US6906762B1 (en) | 1998-02-20 | 2005-06-14 | Deep Video Imaging Limited | Multi-layer display and a method for displaying images on such a display |
US7006056B1 (en) * | 2000-01-06 | 2006-02-28 | International Business Machines Corporation | Three-dimensional display apparatus |
US20080152842A1 (en) * | 2000-11-17 | 2008-06-26 | Pure Depth Limited | Altering surfaces of display screens |
US8154691B2 (en) | 2000-11-17 | 2012-04-10 | Pure Depth Limited | Altering surfaces of display screens |
US7742124B2 (en) | 2001-04-20 | 2010-06-22 | Puredepth Limited | Optical retarder |
US20100201921A1 (en) * | 2001-04-20 | 2010-08-12 | Pure Depth Limited | Optical retarder |
US20040183972A1 (en) * | 2001-04-20 | 2004-09-23 | Bell Gareth Paul | Optical retarder |
US10262450B2 (en) | 2001-10-11 | 2019-04-16 | Pure Depth Limited | Display interposing a physical object within a three-dimensional volumetric space |
US9721378B2 (en) | 2001-10-11 | 2017-08-01 | Pure Depth Limited | Display interposing a physical object within a three-dimensional volumetric space |
US8687149B2 (en) | 2001-10-11 | 2014-04-01 | Pure Depth Limited | Visual display unit illumination |
US20050062410A1 (en) * | 2001-10-11 | 2005-03-24 | Bell Gareth Paul | Visual display unit illumination |
US8149353B2 (en) | 2001-10-11 | 2012-04-03 | Puredepth Limited | Visual display unit illumination |
US20060103951A1 (en) * | 2002-03-17 | 2006-05-18 | Bell Gareth P | Method to control point spread function of an image |
US7742239B2 (en) | 2002-03-17 | 2010-06-22 | Puredepth Limited | Method to control point spread function of an image |
US20110188134A1 (en) * | 2002-03-17 | 2011-08-04 | Pure Depth Limited | Method and system for controlling point spread of an object |
US20060290594A1 (en) * | 2002-07-15 | 2006-12-28 | Engel Gabriel D | Multilayer video screen |
US9137525B2 (en) | 2002-07-15 | 2015-09-15 | Pure Depth Limited | Multilayer video screen |
US8146277B2 (en) | 2002-09-20 | 2012-04-03 | Puredepth Limited | Multi-view display |
WO2008134886A1 (en) * | 2007-05-04 | 2008-11-13 | Lmi Technologies Limited | Method and apparatus for livestock assessment using machine vision technology |
US8416150B2 (en) | 2007-08-22 | 2013-04-09 | Igt | Method and system for determining a position for an interstital diffuser for use in a multi-layer display |
US20090051623A1 (en) * | 2007-08-22 | 2009-02-26 | Paul Gareth P | Method and system for determining a position for an interstital diffuser for use in a multi-layer display |
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